ZIP code 08821: Flagtown, NJ
08821 is a ZIP code in Flagtown, New Jersey, mainly in Somerset County, part of the New York-Newark-Jersey City, NY-NJ metro area. About 283 people live here.
- Population
- 283
- Median household income
- $155,833
- Typical home value
- $443,300ACS median value
- Median rent
- —gross, per month
- Median age
- 40.1
- Homeowners
- 87%of occupied homes
Shaded: ZIP code 08821's area. Click anywhere on the map to see which ZIP code it's in.
ZIP codes within 10 milesWithin 25 miles
ZIP code 08821 details
| City | Flagtown |
|---|---|
| State | New Jersey |
| County | Somerset County |
| Metro area | New York-Newark-Jersey City, NY-NJ |
| Time zone | Eastern Time (UTC−5), observes daylight saving time |
| Type | Standard (delivery area) |
| Land area | 0.2 sq mi |
| Population density | 1,179 people per sq mi |
| Bachelor's degree or higher | 35.1% of adults 25+ |
| Average commute | 22.5 minutes |
| Center coordinates | 40.52072, -74.68834 |
ZIP codes near 08821
| ZIP code | City | Distance | Population |
|---|---|---|---|
| 08844 | Hillsborough, NJ | 1.8 mi | 44,463 |
| 08853 | Neshanic Station, NJ | 2.9 mi | 5,634 |
| 08869 | Raritan, NJ | 4.1 mi | 8,368 |
| 08870 | Readington, NJ | 4.2 mi | — |
| 08876 | Somerville, NJ | 4.8 mi | 23,380 |
| 08502 | Belle Mead, NJ | 5.3 mi | 11,849 |
| 08835 | Manville, NJ | 5.4 mi | 10,921 |
| 08887 | Three Bridges, NJ | 5.7 mi | 1,380 |
Population and median household income: ACS 2020–2024 5-year estimates. Typical home value: Zillow Home Value Index (September 2026) where available, otherwise the ACS median owner-reported value. "PO Box" marks ZIP codes with no delivery area of their own. Methodology
Buying a home in 08821?
A typical home in ZIP code 08821 is worth about $443,300 (ACS median value). The median household here earns $155,833 a year. See what buying here would cost per month, with New Jersey average taxes and insurance filled in.
Monthly payment for a $443,300 homeWhat can a $155,833 income afford?Rental property numbers
About ZIP code 08821
What city is ZIP code 08821?
ZIP code 08821 is in Flagtown, NJ, in Somerset County.
What county is ZIP code 08821 in?
08821 is mainly in Somerset County, New Jersey.
What is the population of ZIP code 08821?
About 283 people live in ZIP code 08821, according to the American Community Survey 2020–2024 5-year estimates.
What time zone is ZIP code 08821 in?
08821 is in Eastern Time (UTC−5). It observes daylight saving time.